Home / 68,155.36-102,225.75-23,782.95

Finding the Fourth Proportional to 68,155.36, 102,225.75 and 23,782.95

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Solution

The fourth proportional to 68,155.36, 102,225.75 and 23,782.95 is: 35,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,155.36 : 102,225.75 = 23,782.95 : x
  2. Step 2: Convert to fraction form
    68,155.36/102,225.75 = 23,782.95/x
  3. Step 3: Cross multiply
    68,155.36x = 102,225.75 × 23,782.95
  4. Step 4: Simplify right side
    68,155.36x = 2,431,229,900.96
  5. Step 5: Solve for x
    x = 2,431,229,900.96/68,155.36
  6. Step 6: Final answer
    x = 35,671.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.